122215080 has 128 divisors (see below), whose sum is σ = 398160000. Its totient is φ = 29832192.

The previous prime is 122215063. The next prime is 122215103. The reversal of 122215080 is 80512221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244671 + ... + 245169.

It is an arithmetic number, because the mean of its divisors is an integer number (3110625).

Almost surely, 2^122215080 is an apocalyptic number.

122215080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122215080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199080000).

122215080 is an abundant number, since it is smaller than the sum of its proper divisors (275944920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122215080 is a wasteful number, since it uses less digits than its factorization.

122215080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 122215080 is about 11055.0929439784. The cubic root of 122215080 is about 496.2588507538.

The spelling of 122215080 in words is "one hundred twenty-two million, two hundred fifteen thousand, eighty".